Finding the Third Proportional to 8,493,150,834 and 12,739,727,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,493,150,834 : 12,739,727,587.50 = 12,739,727,587.50 : x
2. Step 2: Convert to fraction form
   8,493,150,834/12,739,727,587.50 = 12,739,727,587.50/x
3. Step 3: Cross multiply
   8,493,150,834x = 12,739,727,587.50 × 12,739,727,587.50
4. Step 4: Simplify right side
   8,493,150,834x = 162,300,659,003,708,571,648
5. Step 5: Solve for x
   x = 162,300,659,003,708,571,648/8,493,150,834
6. Step 6: Final answer
   x = 19,109,593,386.00